Home / 724,493.10-1,086,739.65-575,193.90

Finding the Fourth Proportional to 724,493.10, 1,086,739.65 and 575,193.90

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Solution

The fourth proportional to 724,493.10, 1,086,739.65 and 575,193.90 is: 862,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,493.10 : 1,086,739.65 = 575,193.90 : x
  2. Step 2: Convert to fraction form
    724,493.10/1,086,739.65 = 575,193.90/x
  3. Step 3: Cross multiply
    724,493.10x = 1,086,739.65 × 575,193.90
  4. Step 4: Simplify right side
    724,493.10x = 625,086,017,568.14
  5. Step 5: Solve for x
    x = 625,086,017,568.14/724,493.10
  6. Step 6: Final answer
    x = 862,790.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.